Besides not elegant, it is now even forbidden, since it can
break paravirtualized guests. load_cr3 should call write_cr3()
instead.
Signed-off-by: Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
include/asm-x86_64/mmu_context.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/asm-x86_64/mmu_context.h b/include/asm-x86_64/mmu_context.h
index c8cdc1e..9592698 100644
--- a/include/asm-x86_64/mmu_context.h
+++ b/include/asm-x86_64/mmu_context.h
@@ -25,7 +25,7 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
static inline void load_cr3(pgd_t *pgd)
{
- asm volatile("movq %0,%%cr3" :: "r" (__pa(pgd)) : "memory");
+ write_cr3(__pa(pgd));
}
static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
--
1.4.4.2
_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/virtualization
